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【单选题】
下列哪个不属于系统软件?A.
Windows7
B.
DOS
C.
Unix
D.
Office2010
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反馈参考答案：
举一反三
【单选题】My train arrives in New York at eight o'clock tonight. The plane I would like to take from there______ by then.
A.
would leave
B.
will have left
C.
has left
D.
had left
【简答题】《百家姓》中的第一个姓氏是什么？
【简答题】短文改错。 This is my first week in senior middle school. Now I am study in a new school and none my old friends have come to this school with me. I felt very loneliness at first. But two days ago, I made ...
【简答题】《百家姓》中的第一个姓氏是（）。
【单选题】My train arrives in New York at seven o' clock this evening. The plane I would like to take from there ______ by then.
A.
will have left
B.
would leave
C.
had left
D.
has left
【简答题】曲线 在xOy平面上的投影曲线为____(第1空填x,y的关系)
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